WBPhenotype:0000050
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embryonic lethal
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Animals die during embryonic development. In C. elegans, often assayed as refractile eggs that fail to hatch; when applied to large-scale RNAi screens in C. elegans, more than 10% of embryos die. |
WBPhenotype:0001106
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spindle orientation variant AB or P1 early emb
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The orientation of the spindle is aberrant in either the AB or the P1 cell. |
WBPhenotype:0001177
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embryo osmotic pressure sensitive early emb
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Embryos rupture when placed on a 2% agar pad and covered with a coverslip. |
WBPhenotype:0001105
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P0 spindle position abnormal
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Altered P0 spindle placement causes either a symmetric first division, a division in which P1 is larger than AB, or a division in which the asymmetry is exaggerated such that AB is much larger than normal. |
WBPhenotype:0001082
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large cytoplasmic granules early emb
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Abnormally large granules are observed in the cytoplasm of P0. |
WBPhenotype:0001143
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multiple nuclei early emb
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Embryos contain more than one nucleus per cell in the inviable one- to four-cell embryo. |
WBPhenotype:0001130
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cytokinesis fails early emb
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Cells of the embryo attempt to divide but fail to form two daughter cells. |
WBPhenotype:0001147
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polar body defective early emb
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Polar bodies are abnormal in the inviable one- to four-cell embryo. |
WBPhenotype:0001134
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Aba ABp division axis defective early emb
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ABa or ABp divide in the wrong orientation. |
WBPhenotype:0001126
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cell cell contacts abnormal in four cell embryo
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Aba, ABp, EMS, or P1 contacts fewer of its sister cells than in control embryos. |
WBPhenotype:0001127
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EMS anterior extension fails early emb
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The EMS blastomere fails to extend anteriorly and make extensive contact (hug) with the ABa blastomere. |